/* ============================================================
   common.css - WXYBIT 공통 스타일
   모든 페이지에서 공유
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --dark:         #0a0a0f;
    --dark-light:   #111118;
    --dark-lighter: #1a1a24;
    --dark-border:  rgba(255,255,255,0.08);
    --white:        #ffffff;
    --gray-300:     #d1d5db;
    --gray-400:     #9ca3af;
    --gray-500:     #6b7280;
    --success:      #22c55e;
    --warning:      #f59e0b;
    --danger:       #ef4444;
    --accent:       #7c6dff;
    --accent-glow:  rgba(124,109,255,0.15);
    --font-display: 'Syne', sans-serif;
    --font-title:   'Bebas Neue', sans-serif;
    --font-number:  'Chakra Petch', sans-serif;
    --font-body:    'Noto Sans KR', sans-serif;
    --radius:       12px;
    --radius-lg:    16px;
    --transition:   all 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
    background: var(--dark);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
select, input, textarea { font-family: inherit; }
img { max-width: 100%; height: auto; }

/* ── 레이아웃 ── */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
@media (max-width: 768px) { .container { padding: 0 1rem; } }

.page-section { padding: 3rem 1.5rem 4rem; width: 100%; }
@media (max-width: 768px) { .page-section { padding: 2rem 1rem; } }

/* ── HEADER ── */
.header {
    background: rgba(17,17,24,0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dark-border);
    position: sticky; top: 0; z-index: 100;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo-text {
    font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
    background: linear-gradient(135deg, #fff 0%, #aaa 60%, #666 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    letter-spacing: -0.02em;
}
.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
    padding: 0.5rem 1rem; font-size: 0.95rem; font-weight: 500;
    color: var(--gray-300); border-radius: 8px; transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--white); background: var(--dark-lighter); }
.header-right { display: flex; align-items: center; gap: 1rem; }
.lang-select {
    padding: 0.4rem 0.75rem; background: var(--dark-lighter);
    border: 1px solid var(--dark-border); border-radius: 8px;
    color: var(--white); font-size: 0.85rem; outline: none; cursor: pointer;
}
.lang-select:focus { border-color: rgba(255,255,255,0.3); }
.user-btn {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 0.75rem; border-radius: 8px;
    color: var(--gray-300); transition: var(--transition); font-size: 0.95rem;
}
.user-btn:hover { background: var(--dark-lighter); color: var(--white); }
.btn-login {
    padding: 0.4rem 1rem; background: var(--white); color: var(--dark);
    border-radius: 8px; font-size: 0.85rem; font-weight: 600; transition: var(--transition);
}
.btn-login:hover { background: var(--gray-300); }
.mobile-menu-btn { display: none; color: var(--gray-300); }
@media (max-width: 768px) {
    .nav { display: none; }
    .user-btn span { display: none; }
    .mobile-menu-btn { display: block; }
}

/* ── FOOTER ── */
.footer {
    background: var(--dark-light);
    border-top: 1px solid var(--dark-border);
    margin-top: auto;
}
.footer-inner { padding: 2.5rem 0; }
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand h3 {
    font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem;
}
.footer-brand p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 0.75rem; }
.footer-addr { font-size: 0.82rem; color: var(--gray-500); }
.footer-addr span { color: var(--gray-400); }
.footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a { font-size: 0.9rem; color: var(--gray-500); transition: var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
    padding-top: 1.5rem; margin-top: 1.5rem;
    border-top: 1px solid var(--dark-border);
    text-align: center; font-size: 0.85rem; color: var(--gray-500);
}

/* ── 공통 폼 스타일 ── */
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 0.85rem 1.1rem;
    background: var(--dark-light); border: 1px solid var(--dark-border);
    border-radius: var(--radius); color: var(--white); font-size: 0.95rem;
    outline: none; transition: var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--gray-500); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: rgba(255,255,255,0.35);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}
.form-input.error, .form-select.error { border-color: var(--danger); }
.form-label {
    display: block; font-size: 0.95rem; font-weight: 500;
    color: var(--gray-300); margin-bottom: 0.5rem;
}
.form-hint { margin-top: 0.5rem; font-size: 0.85rem; color: var(--gray-500); }
.form-hint .warn { color: var(--warning); }
.form-group { margin-bottom: 1.75rem; }

.select-wrap { position: relative; }
.select-wrap .select-icon {
    position: absolute; right: 0.9rem; top: 50%;
    transform: translateY(-50%); width: 18px; height: 18px;
    color: var(--gray-500); pointer-events: none;
}
.form-select { appearance: none; cursor: pointer; }
.form-select option { background: var(--dark-light); }

/* ── 공통 버튼 ── */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem; background: var(--white); color: var(--dark);
    border-radius: var(--radius); font-size: 1rem; font-weight: 700;
    font-family: var(--font-display); transition: var(--transition);
}
.btn-primary:hover {
    background: var(--dark); color: var(--white);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.3);
}
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-outline {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1.1rem; background: transparent;
    border: 1px solid rgba(255,255,255,0.2); color: var(--white);
    border-radius: 8px; font-size: 0.9rem; font-weight: 500; transition: var(--transition);
}
.btn-outline:hover { background: var(--white); color: var(--dark); }

/* ── 알림 박스 ── */
.alert {
    display: flex; align-items: flex-start; gap: 0.75rem;
    padding: 1.25rem 1.5rem; border-radius: var(--radius); margin-bottom: 2rem;
}
.alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.alert-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.35rem; }
.alert-desc  { font-size: 0.88rem; opacity: 0.85; }

.alert-warning { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.3); }
.alert-warning svg, .alert-warning .alert-title, .alert-warning .alert-desc { color: var(--warning); }
.alert-danger  { background: rgba(239,68,68,0.08);  border: 1px solid rgba(239,68,68,0.3); }
.alert-danger  svg, .alert-danger  .alert-title { color: var(--danger); }
.alert-success { background: rgba(34,197,94,0.08);  border: 1px solid rgba(34,197,94,0.3); }
.alert-success svg, .alert-success .alert-title { color: var(--success); }

/* ── 테이블 공통 ── */
.table-wrap {
    background: var(--dark-light); border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg); overflow: hidden;
}
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead { background: var(--dark-lighter); border-bottom: 1px solid var(--dark-border); }
thead th {
    padding: 1rem 2rem; text-align: left; font-size: 0.85rem;
    font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.05em;
}
tbody tr { border-bottom: 1px solid var(--dark-border); transition: var(--transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--dark-lighter); }
tbody td { padding: 1.25rem 2rem; font-size: 1rem; color: var(--white); }
.empty-row td { text-align: center; color: var(--gray-500); padding: 2.5rem; }

/* ── 뱃지 ── */
.badge {
    display: inline-flex; align-items: center;
    padding: 0.25rem 0.7rem; border-radius: 999px;
    font-size: 0.78rem; font-weight: 600;
}
.badge-success { background: rgba(34,197,94,0.15);  color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.badge-danger  { background: rgba(239,68,68,0.15);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.3); }
.badge-default { background: rgba(255,255,255,0.08); color: var(--gray-300); border: 1px solid var(--dark-border); }

/* ── 유틸 ── */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger  { color: var(--danger); }
.text-gray    { color: var(--gray-500); }
.spinning { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }